56143774272 has 224 divisors, whose sum is σ = 163655654400. Its totient is φ = 16907692032.

The previous prime is 56143774259. The next prime is 56143774307. The reversal of 56143774272 is 27247734165.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35154978 + ... + 35156574.

It is an arithmetic number, because the mean of its divisors is an integer number (730605600).

Almost surely, 2^56143774272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56143774272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81827827200).

56143774272 is an abundant number, since it is smaller than the sum of its proper divisors (107511880128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56143774272 is a wasteful number, since it uses less digits than its factorization.

56143774272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073 (or 2063 counting only the distinct ones).

The product of its digits is 1975680, while the sum is 48.

The spelling of 56143774272 in words is "fifty-six billion, one hundred forty-three million, seven hundred seventy-four thousand, two hundred seventy-two".